Perhaps you should try some spelling variations:
thanh tien » thanh vien, thanh nien, thang tien
thien van » thi van
su triet » su viet, su tien, ve triet
va thanh » gia thanh, ban thanh, va tinh
tien su » thien su, tieu su, nien su
nam tuc » nam thuc, nam truc, nam tu
ky dang » ky nang, ky danh
ky lang » ky nang, ky tang, tay lang
thu san » thuy san, thu ban, phu san
tuc va » thuc va, truc va, tuc xa
tu bac » tu ban, tu cac, tu bat

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu bac) or (thu san)) ((ky lang) OR (ky dang)) xa hoi. thien van nam tuc va thanh tien su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu bac) OR (thu san)) ((ky lang) OR (ky dang)) xa hoi. thien van nam tuc va thanh tien su triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu bac) or (thu san)) ((ky lang) OR (ky dang)) xa hoi. thien van nam tuc va thanh tien su triet*".